ULTRASOUND-BASED 3-D TRACKING SYSTEM USING A DIGITAL SIGNAL PROCESSOR - Patent 0975261

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EP 0 975 261 A1

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(43)	Date of publication:
	02.02.2000 Bulletin 2000/05

(21)	Application number: 98918222.5

(22)	Date of filing: 16.04.1998

(51)	International Patent Classification (IPC)⁷: A61B 8/00

(86)	International application number:
	PCT/US9807/548

(87)	International publication number:
	WO 9846/140 (22.10.1998 Gazette 1998/42)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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Priority:

17.04.1997 US 842807

(71)	Applicant: Sonometrics Corporation
	London,Ontario N6C 1A4 (CA)

(72)	Inventors:
	VESELY, Ivan Cleveland Heights, OH 44121 (US) SMITH, Wayne, L. London, Ontario (CA)

(74)	Representative: Turner, James Arthur
	D. Young & Co.,21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)

(54)	ULTRASOUND-BASED 3-D TRACKING SYSTEM USING A DIGITAL SIGNAL PROCESSOR